Home / 3,359.46-5,039.71-1,715.12

Finding the Fourth Proportional to 3,359.46, 5,039.71 and 1,715.12

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Solution

The fourth proportional to 3,359.46, 5,039.71 and 1,715.12 is: 2,572.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.46 : 5,039.71 = 1,715.12 : x
  2. Step 2: Convert to fraction form
    3,359.46/5,039.71 = 1,715.12/x
  3. Step 3: Cross multiply
    3,359.46x = 5,039.71 × 1,715.12
  4. Step 4: Simplify right side
    3,359.46x = 8,643,677.93
  5. Step 5: Solve for x
    x = 8,643,677.93/3,359.46
  6. Step 6: Final answer
    x = 2,572.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.